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v3.22.1

Fair Value - Assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Assets |  |
Trading securities | $ 74,234 | $ 77,689
Securities available for sale | 5,924,206 | 5,193,478
U.S. Treasuries |  |
Assets |  |
Securities available for sale | 268,581 |
U.S. Government agencies |  |
Assets |  |
Trading securities | 14,801 | 5,154
Securities available for sale | 179,942 | 97,117
Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Trading securities | 26,484 | 6,853
Securities available for sale | 2,013,904 | 1,831,039
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Trading securities | 10,973 | 29,667
Securities available for sale | 1,151,860 | 1,207,241
State and municipal obligations |  |
Assets |  |
Trading securities | 12,078 | 20,798
Securities available for sale | 1,127,697 | 812,689
Corporate securities. |  |
Assets |  |
Securities available for sale | 30,160 | 18,734
Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Loans held for sale | 130,376 | 191,723
Trading securities | 74,234 | 77,689
Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Mortgage servicing rights | 83,339 | 65,620
Changes in fair value of assets |  |
Changes in hierarchy classifications of Level 3 assets | 0 |
Changes in hierarchy classifications of Level 3 liabilities | 0 |
Recurring basis |  |
Assets |  |
Derivative financial instruments | 412,815 | 414,742
Loans held for sale | 130,376 | 191,723
Trading securities | 74,234 | 77,689
Securities available for sale | 5,924,206 | 5,193,478
Mortgage servicing rights | 83,339 | 65,620
Fair value of Assets, Total | 6,624,970 | 5,943,252
Liabilities |  |
Derivative financial instruments | 412,168 | 410,137
Recurring basis | U.S. Treasuries |  |
Assets |  |
Securities available for sale | 268,581 |
Recurring basis | U.S. Government agencies |  |
Assets |  |
Securities available for sale | 179,942 | 97,117
Recurring basis | Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 2,013,904 | 1,831,039
Recurring basis | Residential Collateralized Mortgage-Obligations Issued By U.S. Government Agencies Or Sponsored Enterprises [Member] |  |
Assets |  |
Securities available for sale | 694,705 | 725,995
Recurring basis | Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 1,151,860 | 1,207,241
Recurring basis | State and municipal obligations |  |
Assets |  |
Securities available for sale | 1,127,697 | 812,689
Recurring basis | Mortgage-backed securities |  |
Assets |  |
Securities available for sale | 457,357 | 500,663
Recurring basis | Corporate securities. |  |
Assets |  |
Securities available for sale | 30,160 | 18,734
Recurring basis | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Derivative financial instruments | 412,815 | 414,742
Loans held for sale | 130,376 | 191,723
Trading securities | 74,234 | 77,689
Securities available for sale | 5,924,206 | 5,193,478
Fair value of Assets, Total | 6,541,631 | 5,877,632
Liabilities |  |
Derivative financial instruments | 412,168 | 410,137
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Treasuries |  |
Assets |  |
Securities available for sale | 268,581 |
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agencies |  |
Assets |  |
Securities available for sale | 179,942 | 97,117
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 2,013,904 | 1,831,039
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential Collateralized Mortgage-Obligations Issued By U.S. Government Agencies Or Sponsored Enterprises [Member] |  |
Assets |  |
Securities available for sale | 694,705 | 725,995
Recurring basis | Significant Other Observable Inputs (Level 2) | Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 1,151,860 | 1,207,241
Recurring basis | Significant Other Observable Inputs (Level 2) | State and municipal obligations |  |
Assets |  |
Securities available for sale | 1,127,697 | 812,689
Recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities |  |
Assets |  |
Securities available for sale | 457,357 | 500,663
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate securities. |  |
Assets |  |
Securities available for sale | 30,160 | 18,734
Recurring basis | Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Mortgage servicing rights | 83,339 | 65,620
Fair value of Assets, Total | 83,339 | $ 65,620
Changes in fair value of assets |  |
Fair value of assets at the beginning of the period | 65,620 |
Servicing assets that resulted from transfers of financial assets | 7,122 |
Changes in fair value assets due to valuation inputs or assumptions | 12,827 |
Changes in fair value due to decay | (2,230) |
Fair value of assets at the end of the period | 83,339 |
Unrealized losses included in accumulated other comprehensive income related to Level 3 financial assets and liabilities | $ 0 |

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- Definition The element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, the element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. The item represents residential mortgage servicing rights as presented on the statement of financial position which are due to the entity as of the balance sheet date. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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